ElasticSearch error Fielddata is disabled on text fields by default. Set fielddata=true on [field] in order to load fielddata in memory by uninverting the inverted index. Note that this can however use significant memory. Alternatively use a keyword field instead.

elastisearch.json

PUT <index>/_mapping/doc
{
  "properties": {
    "field": {
      "type": "text",
      "fielddata": true
    }
  }
}